This is an example of a square planar molecule. It consists of 4 atoms surrounding a central atom. The structure is in the shape of a square on a plane. All four angles will add up to 360 degrees, but do not necessarily have to be 90 degrees each. An example of a square planar molecule is xenon tetrafluoride, XeF4. It has four Xe-F bonds, 1.95 Angstroms in length, which form four 90 degree angles. It is a perfect square planar molecule.
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